Polycom 1 manual Go to System Admin Settings Network IP Firewall

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Networks

To set up the system to work with a firewall or NAT:

1.Go to System > Admin Settings > Network > IP > Firewall.

2.Configure these settings on the Firewall screen:

Setting

Description

 

 

Fixed Ports

Lets you specify whether to define the TCP and UDP ports.

 

If the firewall is not H.323 compatible, enable this

 

setting. The Polycom HDX system assigns a range of

 

ports starting with the TCP and UDP ports you specify.

 

The system defaults to a range beginning with port 3230

 

for both TCP and UDP.

 

Note: You must open the corresponding ports in the

 

firewall. You must also open the firewall’s TCP port

 

1720 to allow H.323 traffic.

 

If the firewall is H.323 compatible or the system is not

 

behind a firewall, disable this setting.

 

 

TCP Ports

Lets you specify the beginning value for the range of TCP

UDP Ports

and UDP ports used by the system. The system

automatically sets the range of ports based on the

 

 

beginning value you set.

 

Note: You must also open the firewall’s TCP port 1720 to

 

allow H.323 traffic.

 

 

Enable

Allows the system to use H.460-based firewall traversal. For

NAT/Firewall

more information, refer to H.460 NAT Firewall Traversal on

Traversal

page 2-14.

 

 

NAT Configuration

Lets you specify whether the system should determine the

 

NAT Public WAN Address automatically.

 

If the system is behind a NAT that allows HTTP traffic,

 

select Auto.

 

If the system is behind a NAT that does not allow HTTP

 

traffic, select Manual.

 

If the system is not behind a NAT or is connected to the

 

IP network through a Virtual Private Network (VPN),

 

select Off.

 

 

NAT Public (WAN)

Displays the address that callers from outside the LAN use

Address

to call your system. If you chose to configure the NAT

 

manually, enter the NAT Public Address here.

 

 

NAT is H.323

Specifies that the system is behind a NAT that is capable of

Compatible

translating H.323 traffic.

 

 

Address Displayed

Lets you choose whether to display this system’s public or

in Global Directory

private address in the global directory.

 

 

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Polycom 1 manual Go to System Admin Settings Network IP Firewall, Configure these settings on the Firewall screen

1 specifications

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